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// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library fuchsia.deprecatedtimezone;
// NOTE: this FIDL protocol is deprecated and slated for removal. Please do
// not add new uses that depend on it. Use instead the following functionality:
// - For `GetTimezoneOffsetMinutes` and `GetTimezoneId`, get the timezone name
// from `fuchsia.intl.ProfileProvider`, and use the ICU library to compute
// the offset.
// - For `SetTimezone` and `Watch`, please use `fuchsia.settings.Intl`.
// For more information on the ICU timezone ID format, see:
protocol Timezone {
/// Returns local timezone offset (in minutes from UTC. Can be negative) for
/// the supplied number of milliseconds since the Unix epoch. Returns a
/// non-zero DST offset when appropriate.
GetTimezoneOffsetMinutes(int64 milliseconds_since_epoch)
-> (int32 local_offset_minutes, int32 dst_offset_minutes);
/// Sets the timezone for the machine based on an ICU ID.
SetTimezone(string timezone_id) -> (bool status);
/// Gets the timezone ID string.
GetTimezoneId() -> (string timezone_id);
/// Watches for updates to the timezone ID.
Watch(TimezoneWatcher watcher);
protocol TimezoneWatcher {
/// When the timezone changes, returns the new timezone ID.
OnTimezoneOffsetChange(string timezone_id);